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Discovery of the Great Comet of 1811

Name: Discovery of the Great Comet of 1811
Start: 1811-03-25
Location: Viviers

When: 1811-03-25
Where: Viviers
Part of: Discovery of the Great Comet of 1811

Honoré Flaugergues discovered the Great Comet of 1811 on March 25, 1811, at Viviers, France, while it was 2.7 AU from the Sun.

Flaugergues, a French astronomer born in Viviers, identified the comet in the constellation Argo Navis. The comet, designated C/1811 F1, was later visible to the naked eye for around 260 days. Flaugergues had previously co-discovered the Great Comet of 1807.

Sources

Honoré Flaugergues Wikipedia, revision of 2026-02-04
Great Comet of 1811 Wikipedia, revision of 2026-04-09

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.